Command Black Large Picture Hanging Strips let you decorate how you want, when you want, without damaging surfaces. A great home improvement item, these picture hangers stick on a variety of smooth surfaces without leaving holes, marks or sticky residue. Use these wall hanging strips to hang picture frames, college dorm decor, wooden letters, nursery decor, calendars or even to create a gallery wall. Simply mount these picture strips on painted walls, finished wood, painted concrete cinder blocks, laminate, glass, metal and tiles and enjoy the damage free hanging of your favorite decorations. Perfect for home renovators and college students, use these Command Picture Hanging Strips in your home, office, apartment or dorm room to elevate the appearance of your living or working space without tools. Directions are included; follow the directions closely to use the 3M Wall Hanging Strips as intended. A clever decorating solution that doesn’t damage surfaces, these wall hanger strips will help you fearlessly change your space. One package contains 20 pairs of large black picture hanging strips. Four adhesive strip pairs hold up to 16 pounds with a maximum frame size of 24 x 36 inches. Decorate, organize and celebrate damage free with Command.